<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <meta http-equiv="X-UA-Compatible" content="ie=edge">
        <title>data:数据对象</title>
    </head>
    <body> 
        <h2>data:数据对象</h2>       
        <ul>
            <li>Vue中用到的数据定义在<b style="color:red">data</b>中</li>
            <li>data中可以写<b style="color:red">复杂类型</b>的数据</li>
            <li>渲染复杂类型数据时，遵守<b style="color:red">js的语法</b>即可</li>
        </ul>
        <div id="app">
            {{ message }}
            <h2>{{ school.name }} {{ school.mobile }}</h2>
            <ul>
                <!-- <li>{{ campus }}</li> -->
                <li>{{ campus[0] }}</li>
                <li>{{ campus[3] }}</li>
            </ul>
        </div>
        <!--开发环境版本，包含了有帮助的命令行警告-->   
        <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
        <script>
            var app = new Vue({
                el:"#app",
                data:{
                    message:"你好，小黑！",
                    school:{
                        name:"黑马程序员",
                        mobile:"400-618-9090"
                    },
                    campus:["北京校区", "上海校区", "广州校区", "深圳校区"]
                }
            })
        </script>
    </body>
</html>